#31735C
Closest named color: Dark Aquamarine (#017371). oklch(50.6% 0.077 167.6), rgb(49, 115, 92).
Aa
White text reads best on this color (5.61:1).
About this color
#31735C is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.077 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.036 away. White text reads best on it, at 5.61:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #31735C |
| RGB | rgb(49, 115, 92) |
| HSL | hsl(159, 40%, 32%) |
| OKLCH | oklch(50.6% 0.077 167.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #31735C | 5.61:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #31735C | 3.73:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #31735C text on white | 5.61:1 | AA | Lc 77.9 | Fine for body text |
| #31735C text on black | 3.73:1 | AA large text | Lc -23.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#AAC9BC
oklch(80.9% 0.038 168.1)
-
Step 400
400
#7CAD99
oklch(70.7% 0.06 167.5)
-
Step 500
500
#589980
oklch(63.2% 0.078 167.2)
-
Step 600
600
#3B836A
oklch(55.6% 0.083 168)
-
Step 700
700 (this color)
#31735C
oklch(50.6% 0.077 167.6)
-
Step 800
800
#265A48
oklch(42.6% 0.064 168)
-
Step 900
900
#244A3C
oklch(37.6% 0.05 167.6)
-
Step 950
950
#162B23
oklch(26.8% 0.031 167.7)
#31735C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #706C5B | 0.077 |
| Deuteranopia (no green cones) | #67655D | 0.075 |
| Tritanopia (no blue cones) | #12736C | 0.028 |
| Achromatopsia (no color) | #676767 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31735C
#31735C
oklch(50.6% 0.077 167.6)
- #85526D
#85526D
oklch(50.5% 0.077 347.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #31735C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.041
- Bluegreen #017A79 ΔE 0.044
- Dark Aqua #05696B ΔE 0.052
- Deep Aqua #08787F ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.054
- Teal #008080 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.061
Use #31735C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.